My main issue with the single shot AF previously was that under certain conditions, specifically when there was any motion while the camera was trying to focus, the camera would often refuse to lock focus. It would just give up and change the focus box to red. That appears to be resolved completely with this new firmware update - so that's great news.

One little quirk I noticed is when I just updated the firmware, the 18-55 lens would not work. I looked around in the custom-menu and saw I had the AF-assist light disabled. I enabled it and the 18-55 came back to life. I guess the camera needs a reset to the default settings after the update.

My main issue with the single shot AF previously was that under certain conditions, specifically when there was any motion while the camera was trying to focus, the camera would often refuse to lock focus. It would just give up and change the focus box to red. That appears to be resolved completely with this new firmware update - so that's great news.

I'm looking forward to testing it further.

How is the performance of the camera overall? Does the new firmware make it a better camera to lock focus more confidently and snappy? I wanted to update mine, but unfortunately the camera is at the other side of the world and won't be back to me until 10 days later.

Just updated it ... seems to be snappier at AF ... but after the update, I'm hearing audible noise ("chickik chickik") from the lens while half pressing the shutter button, which wasn't there before ... could it be that the update has done something to the STM? ... any ideas? ... But the AF definitely much faster than before.

I can't detect any difference in AF speed between single and multi-zone. They are both evenly snappy, it's difficult to estimate the speed, but I guess it takes about half a second for the camera to obtain focus. This is with the 18-55 lens.

The lens is dead-quiet, I notice no clicking or anything before or after the update. Does the clicking also occur when you disable IS? It could be the stabilizer switching on.

This is a great little camera, I especially like the movie mode with it's AF and it is now even faster. I'll be using it a lot in the future, stalking my 3 year old with it :-)

70-200/4 L IS: good improvement - I'm indoors in poor light so can't check it at large distances.

24-105/4 L IS: Good (haven't tried it on firmware 1) - around the same as the pancake.

17-55/2.8 IS: good improvement - faster than the 24-105. If I refocus on the same spot, it confirms in like 0.2sec.

Generally the lenses are getting af in under 1 second. If you refocus on the same spot, generally under 0.5s. The 17-55/2.8 is the fastest in the list above so far.

I'm finding accuracy seems to be down a bit though (sometime it thinks it's got focus when it hasn't). Servo is still really bad. The improvements don't really seem to have helped it (or may it was just that terrible before anyway).

Overall, a so-so improvement to the ef-m pancake lens and large improvements to ef lenses. I like it seems to 'fail fast' now - no hunting, hunting, hunting and finally failing.

Much better. The ef lenses feel usable instead of feeling like a novelty.